Definition Trisomy 18, also known as Edwards syndrome, is a serious genetic mutation. In this case, chromosome 18 occurs three times instead of the usual two times in the body cells. After trisomy 21, also called Down syndrome, trisomy 18 is the second most common: on average, about 1 in 6000 births is affected. Edwards … Trisomy 18
These are the symptoms I recognize as trisomy 18 Edwards syndrome is characterized by a complex of multiple malformations and disabilities. These can be of varying degrees and do not necessarily all occur in every affected infant. Typical is a so-called flexion contracture of the fingers: the fingers are bent and are held in a … These are the symptoms I recognize as trisomy 18 | Trisomy 18
Prognosis Unfortunately, the prognosis for trisomy 18 is very poor. About 90% of the affected fetuses die in the womb during pregnancy and are not born alive. Unfortunately, the mortality of the born babies is also extremely high. On average, only about 5% of affected infants reach an age of more than 12 months. On … Prognosis | Trisomy 18
